21041848

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{49627}}^1$

素因数の和:49686

約数の個数: 16

約数和(自身を含む): 40198680

約数和(自身を除く): 19156832

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 49627, 99254, 198508, 397016, 2630231, 5260462, 10520924, 21041848]

約数ペア:

[(1, 21041848), (2, 10520924), (4, 5260462), (8, 2630231), (53, 397016), (106, 198508), (212, 99254), (424, 49627)]